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Updated: Jul 6, 2026
Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
Published on: October 11, 2016
Far field of gratings with rough strips
Luis Miguel Sanchez-Brea1, Francisco Jose Torcal-Milla, Eusebio Bernabeu
1Optics Department, Universidad Complutense de Madrid, Ciudad Universitaria, Madrid, Spain. sanchezbrea@fis.ucm.es
Abstract:
In this work, we analyze the far-field pattern produced by a grating made of strips with two different random roughness levels. The efficiency and shape of the diffraction orders is obtained, which are shown to depend on the statistical properties of roughness. We assume for the calculations that the grating can be used in a mobile mechanical system. A preliminary experimental approach which partially corroborates the theoretical results is also performed.
